Sierra Agua Verde, encrinite: Westphalian D, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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? Zidella sp.
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Pachysphaerina pachysphaerica
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? Nipperella sp.
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Gastropoda
- Heterostropha
- Donaldinidae
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cf. Donaldina robusta
(Stevens 1858)
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Gastropoda
- Euomphalina
- Euomphalidae
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Euomphalus sp.
Sowerby 1814
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Spirifer sp.
Sowerby 1818
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Crinoidea
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Pentaridica simplicis
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Cyclocrista martini
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Lamprosterigma erathense
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Lamprosterigma mirificum
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Pentagonopterix insculptus
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Heterostelechus keithi
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| listed as Heterosteleschus | ||||||||||
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Preptopremnum laeve
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Preptopremnum rugosum
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Cyclocaudex insaturatus
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Cycloscapus laevis
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Mooreanteris waylandensis
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Anthozoa
- Stauriida
- Lophophyllidae
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Lophophyllidium sp.
Grabau 1928
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Anthozoa
- Favositida
- Micheliniidae
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Michelinia sp.
de Koninck 1841
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Demospongiae
- Hadromerida
- Suberitidae
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Chaetetes sp.
Fischer von Waldheim 1829
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Chlorophyceae
- Dasycladales
- Beresellaceae
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? Kamaena sp.
Antropov 1967
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Ulvophyceae
- Bryopsidales
- Halimedaceae
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Eugonophyllum sp.
Konishi and Wray 1961
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unclassified
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Insolentitheca horrida
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Tuberitinidae
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Eotuberitina reitlingerae
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Biseriamminidae
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Globivalvulina bulloides
(Brady 1876)
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Palaeotextulariidae
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Climacammina ex gr. moelleri
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Pseudostaffellidae
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Pseudostaffella sp.
Thompson 1942
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Eostaffellidae
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Eostaffella grozdilovae
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Millerella sp.
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Staffellidae
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Staffella powwowensis
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Fusulinidae
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Fusulinella llanoensis
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Fusulinella thompsoni
Wilde and Skinner 1954
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Schubertellidae
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Eoschubertella texana
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Endothyridae
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Endothyra ex gr. bowmani
Phillips 1846
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Rhodophyceae
- Solenoporaceae
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Komia eganensis
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| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Sonora |
| Coordinates: | 29.4° North, 109.9° West (view map) | ||
| Paleocoordinates: | 4.3° South, 44.6° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Carboniferous | Epoch: | Pennsylvanian |
| Stage: | Moscovian | 10 m.y. bin: | Carboniferous 4 |
| Key time interval: | Westphalian D | ||
| Age range of interval: | 309.80000 - 307.40000 m.y. ago |
Stratigraphy
| Formation: | La Joya | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 100 m thick section, Late Atokan
JA: entered as Atokan, but "early Late Moscovian" = Westphalian D is a more precise age call | |||||
Lithology and environment
| Primary lithology: | lithified grainstone |
| Secondary lithology: | lithified packstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: crinoidal grainstones and packstones which are intercalated with nodular cherts, calcareous siltstones and a Chaetetes reef mound (PBDB coll. 76169) | |
| Environment: | perireef or subreef |
| Glacial or sequence phase: | transgressive systems tract |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | peel or thin section,field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 76170 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | J. Alroy | Research group: | marine invertebrate,micropaleontology |
| Created: | 2007-11-15 01:28:57 | Last modified: | 2011-10-22 23:27:19 |
| Access level: | authorizer only | Released: | 2009-11-15 01:28:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25820. | B. E. Buitron-Sanchez, C. Gomez-Espinosa, E. Almazan-Vazquez and D. Vachard. 2007. A Late Atokan regional encrinite (early Late Moscovian, Middle Pennsylvanian) in the Sierra Agua Verde, Sonora state, NW Mexico. in J. J. Alvaro, M. Aretz, F. Boulvain, A. Munnecke, D. Vachard, E. Vennin, eds., Palaeozoic reefs and bioaccumulations: climatic and evolutionary controls. Geological Society Special Publication 275:201-209 [W. Kiessling/U. Merkel] |